U.S. Department 

 of Commerce 



Seattle, Washington 



Volume 91 

 Number 2 

 April 1993 



Fishery 

 Bulletin 



ie Biological Laboratuiy 

 LIBRARY 



AUG 3 1 1993 



lA/oods Hole, Mass. 



Contents 



183 Anganuzzi, Alejandro A. 



A comparison of tests for detecting trends in abundance indices of 

 dolphins 



195 Choat, J.H., Peter J. Doherty, BA. Kerrigan, 

 and J.M. Leis 



A comparison of towed nets, purse seine, and light-aggregation 

 devices for sampling larvae and pelagic juveniles of coral reef 

 fishes 



210 Comyns, Bruce H., and George C. Grant 



Identification and distribution of Urophyas and Phyas (Pisces, 

 Gadidae) larvae and pelagic juveniles in the U.S. Middle Atlantic 

 Bight 



224 Davis, Tim L.O., and Grant J. West 



Maturation, reproductive seasonality, fecundity, and spawning 

 frequency in Lutjanus vittus (Quoy and Gaimard) from the North 

 West Shelf of Australia 



237 Ebert, Thomas A., Stephen C. Schroeter, and 

 John D. Dixon 



Inferring demographic processes from size-frequency distributions: 

 Effect of pulsed recruitment on simple models 



244 Fitzhugh, Gary R., Bruce A. Thompson, and 

 Theron G. Snider III 



Ovarian development, fecundity, and spawning frequency of black 

 drum Pogonias cromis in Louisiana 



254 Forward, Richard B., Leslie M. McKelvey, 

 William F. Hettler, and Donald E. Hoss 



Swimbladder inflation of the Atlantic menhaden Brevoortia 

 tyrannus 



260 Jackson, George D. 



Seasonal variation of reproductive investment of the tropical 

 loliginid squid Loligo ch/nensis and the small tropical sepioid 

 Idiosepius pygmaeus 



